What goes on inside the mind of Krieg the Psycho? Why did he become a Vault Hunter in the first place? Do his pecs, in fact, have pecs? Find out the answers to all these questions in this original Gearbox Software short film.

The Borderlands 2 Season Pass, which bundles four campaign add-ons and the Ultimate Vault Hunter Pack at a discount, does not include additional characters like Gaige the Mechromancer or Krieg the Psycho.

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

Each day this week, we've posted a new behind-the-scenes look at a certain aspect of Krieg the Psycho's skill tree in anticipation of the new story video -- Krieg: A Meat Bicycle Built for Two -- premiering Friday morning. (Check out a new still from that video above.)

Today, I'll be walking you through the Hellborn tree. In case you missed the previous articles, I'm Paul Hellquist -- the Creative Director and Lead Designer on Borderlands 2 -- and here's the rundown:

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

I'm Paul Hellquist, the Creative Director and Lead Designer of Borderlands 2, and since today is Wednesday (the middle day of the work week) it's the perfect time to tell you all about the middle skill tree for Krieg -- Mania.

In anticipation of Friday's release of Krieg: A Meat Bicycle Built for Two -- a video short that helps explain how the titular Psycho became a Vault Hunter -- we'll have a new Inside the Box and teaser image from that short (see above) each day leading up to it! Here's the rundown:

The biggest campaign add-on in Borderlands history, Tiny Tina's Assault on Dragon Keep immerses players in an ever-changing fantasy world filled with never-before-seen dangers and foes along with plenty of new loot and fantastical versions of fan-favorite characters!

Coming to Xbox 360, PlayStation 3 and PC, Tiny Tina's Assault on Dragon Keep is included with the Borderlands 2 Season Pass and will also be available a la carte for 800 Microsoft Points / $9.99. The Borderlands 2 Season Pass (available for $29.99) includes all four downloadable campaign add-ons (Captain Scarlett and her Pirate's Booty, Mr. Torgue's Campaign of Carnage, Sir Hammerlock's Big Game Hunt, Tiny Tina's Assault on Dragon Keep) along with the Ultimate Vault Hunter Pack.

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

Welcome back to Inside the Box! I'm Paul Hellquist, the Creative Director and Lead Designer on Borderlands 2.

Later this week, on Friday, we'll be releasing a short video that shows how Krieg the Psycho became a Vault Hunter -- you can see a still from that video above. And in anticipation of that video, we'll have a new Inside the Box every day leading up to it! Here's what to expect:

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

Paul Hellquist, the Creative Director and Lead Designer on Borderlands 2, here.

Two weeks ago I told you a bit about the history of how we came to decide on making Krieg the Psycho -- you can catch up here if you missed it. This week, I'm going to go into more detail about the design, what my goals were, how they were achieved, and some of the hurdles we overcame.

As I was writing all this, I quickly realized that there was a lot I wanted to tell you about this process -- about 4 articles or so worth of stuff! I didn’t want to stretch the content across 4 or more weeks so here’s what we decided to do:

On Friday, we'll be releasing a short video that shows how Krieg the Psycho became a Vault Hunter -- you can see a still from that video above. And in anticipation of that video, we'll have a new Inside the Box every day leading up to it! Here is what I’m going to cover:

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

Hi, I'm Anthony Burch. I was the Lead Writer of Borderlands 2, I can grow a full beard in a week, and if we ever meet in person you will probably think I'm angry or bored (that's just my face).

As a Psycho -- as a version of the enemy sprinkled all throughout both Borderlands games and even adorning our cover art -- we knew players were going to come in with certain specific expectations ...READ MORE

Krieg arrives today! Check out the newest playable Vault Hunter for Borderlands 2, the Psycho Bandit, in the video above as Sir Hammerlock explains all of Krieg's mad and marvelous abilities, skills and powers.

The Borderlands 2 Season Pass, which bundles four campaign add-ons and the Ultimate Vault Hunter Pack at a discount, does not include additional characters like Gaige the Mechromancer or Krieg the Psycho.

Inside the Box serves as a forum for individuals involved in the production of Gearbox Software content to share personal motives, methods, process and results. Gearbox Software projects are created by a diverse range of individuals spanning a spectrum of different backgrounds, interests, objectives and world views. The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of Gearbox Software or any of its individual members outside of the author.

Welcome to Inside the Box, a new feature on GearboxSoftware.com! The goal of Inside the Box is to give you, our fans, cool new content on a regular basis that gives you some insight into what it is like at Gearbox, how we do things, and the behind-the-scenes scoop about a wide variety of topics from game design, writing, art direction and anything else that we (or you!) think might be interesting.

To kick off this new venture I thought, with the upcoming release of Krieg this week, I would go into some depth about the genesis of this new class. But first off, let me introduce myself.

Hi! I'm Paul Hellquist, the Creative Director and Lead Designer on Borderlands 2. I've been in the industry for nearly 15 years and was the Lead Designer on SWAT 4 and the original BioShock before joining Gearbox in 2008. While at Gearbox I worked on an unreleased title ...READ MORE

Prepare for the arrival of Krieg the Psycho -- the new playable character for Borderlands 2, releasing May 14 -- with special in-game events from May 10 through the end of May 13!

The Bandits of Pandora can feel one of their own approaching and have ramped up the production of Bandit gear accordingly, so expect to see an increase in Bandit gear drops when playing Borderlands 2 while connected to the internet. But watch out! Reports suggest an increased population of Badass Psychos in Lynchwood, Thousand Cuts and Eridium Blight.